Deep fryer



FIG. 1 is a front elevational view of a deep fryer showing our new design, the rear elevational view being identical thereto except for the absence of the control device;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a right-side elevational view thereof, the left-side elevational view being a mirror image thereof except for the absence of the receptacle. 

The ornamental design for a deep fryer, as shown and described. 